18278247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 10994073

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1451, 4199, 4353, 12597, 18863, 24667, 27569, 56589, 74001, 82707, 320671, 358397, 468673, 962013, 1075191, 1406019, 6092749, 18278247]

約数ペア:

[(1, 18278247), (3, 6092749), (13, 1406019), (17, 1075191), (19, 962013), (39, 468673), (51, 358397), (57, 320671), (221, 82707), (247, 74001), (323, 56589), (663, 27569), (741, 24667), (969, 18863), (1451, 12597), (4199, 4353)]